Home / 56,027.40-77,316.78-30,533.97

Finding the Fourth Proportional to 56,027.40, 77,316.78 and 30,533.97

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Solution

The fourth proportional to 56,027.40, 77,316.78 and 30,533.97 is: 42,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,027.40 : 77,316.78 = 30,533.97 : x
  2. Step 2: Convert to fraction form
    56,027.40/77,316.78 = 30,533.97/x
  3. Step 3: Cross multiply
    56,027.40x = 77,316.78 × 30,533.97
  4. Step 4: Simplify right side
    56,027.40x = 2,360,788,241.02
  5. Step 5: Solve for x
    x = 2,360,788,241.02/56,027.40
  6. Step 6: Final answer
    x = 42,136.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.